... be widely like by the market.There are 4 ways to unlock: fingerprint, user code/password, mifare card,and mechanical ... key.Finger Print Lock support up to 100 fingerprints(1 master fingerprints, 99 normal user fingerprints). 100 ... and Normal User Level.Passage Mode: When friends come to visit, you can convert the Fingerprint Lock to passage mode, during which the door can ...